Wakrays Foldable Laptop Computer Table Lap Desk with Mouse Pad and Vented Fan With fan on the table bottom, keep your computer cooling It can be used as laptop desk, writing desk, Sketchpad, dinning table, Flower Stand, etc. As soon as you adjust the knob in the leg of the desk to different height and angle you need. Each folding leg has 3 knobs which can adjust any height and angle you need. The 360revolve provides the high flexibility just as human. You can work anywhere, simply fold the desk and you have your own ergonomic workstation ready. The table features in space saving, portable, smart and elegant, beliving that it will bring you much convenience no matter when you are reading or surfing on-line.